 He remained as chief executive of International Computers Limited until the end of 1995, seeing the company through a period when STC sold most of its stake in the company to Fujitsu.In 1996 he was appointed CEO and Chairman of the Executive Committee of British Telecommunications plc, where he served until early 2002.Promising a "rollercoaster ride", during Bonfield's tenure the share price went from £4 to £15, and back again to £5.